diff --git a/.github/workflows/check-commits.yml b/.github/workflows/check-commits.yml
index c3ec1f9f20e1..5423e0580c92 100644
--- a/.github/workflows/check-commits.yml
+++ b/.github/workflows/check-commits.yml
@@ -29,7 +29,7 @@ jobs:
         fetch-depth: 0
     - name: Fetch base branch
       run:
-        git fetch origin '${CI_BASE_BRANCH}:${CI_BASE_BRANCH}'
+        git fetch origin "${CI_BASE_BRANCH}:${CI_BASE_BRANCH}"
     - name: Run checks
       run: |
         ./dist/tools/${{ matrix.check }}/check.sh "${CI_BASE_BRANCH}"